Filterite Corp. v. Tate Eng'g, Inc., 447 F.2d 62 (4th Cir. 1971). · Go Syfert
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Filterite Corp. v. Tate Eng'g, Inc., 447 F.2d 62 (4th Cir. 1971). Cases Citing This Book View Copy Cite
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FILTERITE CORPORATION, a Body Corporate of the State of Maryland, Appellant,
v.
TATE ENGINEERING, INC., and the Carborundum Company, Appellees
15379.
Court of Appeals for the Fourth Circuit.
May 27, 1971.
Published opinion
447 F.2d 62
1971 U.S. App. LEXIS 9963
Harry John Staas, Washington, D. C., Z. Townsend Parks, Jr., Baltimore, Md., for appellant., William H. Webb, Pittsburgh, Pa., for appellees.
Sobeloff, Winter, Craven.
Cited by 3 opinions  |  Published
PER CURIAM:

Filterite Corporation, assignee of United States Letters Patent No. 3,356,-226, brought this action alleging infringement of its patent. The District Court, 318 F.Supp. 584, held the patent valid, but not infringed because of differences between the method of construction of the accused filter units and the specifications of the patent claim. Upon careful consideration of the record, the briefs, and oral arguments, we affirm the judgment of the District Court.

Affirmed.